/Engine/Source/Runtime/Engine/Public/Net/RepLayout.h
Holds the unique identifier and offsets/lengths of a net serialized property used for Shared Serialization
struct FRepSerializedPropertyInfo
int32
BitLength
Length in bits of all serialized data for this property, may include handle and checksum.
int32
BitOffset
Bit offset into shared buffer of the shared data
int32
PropBitLength
Length in bits of net serialized property data only
int32
PropBitOffset
Bit offset into shared buffer of the property data.
FRepSharedPrope...
PropertyKey
Unique identifier for this property